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Finding the Fourth Proportional to 18,346.12, 27,519.18 and 4,495

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Solution

The fourth proportional to 18,346.12, 27,519.18 and 4,495 is: 6,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346.12 : 27,519.18 = 4,495 : x
  2. Step 2: Convert to fraction form
    18,346.12/27,519.18 = 4,495/x
  3. Step 3: Cross multiply
    18,346.12x = 27,519.18 × 4,495
  4. Step 4: Simplify right side
    18,346.12x = 123,698,714.10
  5. Step 5: Solve for x
    x = 123,698,714.10/18,346.12
  6. Step 6: Final answer
    x = 6,742.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.